DR. ANDREW O. TAM MD
NPI 1548889298
Radiology - Radiation Oncology in Arcadia, CA

Q: What is Andrew Tam's NPI number?

The NPI number for Andrew Tam is 1548889298. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Q: What is Andrew Tam's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Tam was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 13, 2020PECOS EnrolledAccepts Medicare Assignment

301 W HUNTINGTON DR STE 120, ARCADIA, CA 91007(626) 574-3657(626) 898-8016 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 4, 2026, Sep 18, 2025, Apr 13, 2020 (3 updates tracked since 2020).

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About Dr. Andrew O. Tam Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREW O. TAM MD (NPI 1548889298) is an individual radiation oncology provider in Arcadia, California, licensed in California (A186025) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in South Pasadena, and is a graduate of University Of California, San Francisco School Of Medicine (2020).

NPPES Registry Identity

NPI1548889298

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. ANDREW O. TAMCredential: MD

Location Address301 W HUNTINGTON DR STE 120Arcadia, CA 91007-3487

Mailing AddressPo Box 512185Los Angeles, CA 90051-0185

Phone(626) 574-3657

Fax(626) 898-8016

Sole ProprietorNo

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2020

Enumeration DateApril 13, 2020

Last NPPES UpdateMarch 4, 20263 updates tracked since enumeration

NPPES CertifiedMarch 4, 2026

✔ NPI 1548889298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in CA · A186025

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

301 W HUNTINGTON DR STE 120, Arcadia, CA 91007

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Secondary Practice Location 1

Location 1209 Fair Oaks AveSouth Pasadena, CA 91030-1814 · Phone (626) 396-2900 · Fax (626) 396-2900

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew O. Tam Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698177301

PECOS Enrollment IDI20250617002641

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAME JUI YANG CHUANG, A MEDICICAL CORPORATION

Radiology (Radiation Oncology)

301 W HUNTINGTON DR STE 120
ARCADIA, CA 91007

Los Angeles County (310) 858-0600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Tam's NPI number?

The NPI number for Andrew Tam is 1548889298. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Where is Andrew Tam located?

Andrew Tam practices at 301 W Huntington Dr Ste 120, Arcadia, CA 91007. The listed phone number is (626) 574-3657.

What is Andrew Tam's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Andrew Tam enrolled in Medicare?

Yes. Andrew Tam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Andrew Tam was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.